In 1908 two Larsson births are listed in the birth book for Nora bergsförsamling, C:15 image 1640 of a live birth 6 Jun 1908 for Karl Torsten, son of Karl Larsson and Hilda Maria Hansson the second birth was for a stillborn C:15 image 1630 for Fredrik Larsson and his wife Matilda Josefine Pettersson.
When Karl Torsten was added to the husförhörslängd (AIIa:1 p 128) the birthdate of the stillborn as used. Karl Torsten continued too use this until he died 11 Oct 1966.
I do not know which is correct, but they do not agree.